AUGUSTA, Maine, April 28 -- The Maine Senate Democrats issued the following news: On Monday, the Maine Senate enacted a bill from Sen. Chloe Maxmin, D-Nobleboro, that would create semi-open primaries in Maine. LD 231, "An Act to Create Semi-Open Primaries," received unanimous, bipartisan support. "Maine is home to a large number of voters who don't completely identify with one political party or another. But because they're not enrolled as Democrats or Republicans, they're locked out of primar  more